11 + 1 in the chamber
15,17 or 22 rounds depending on which 22 rimfire ammuntion is used.
Anywhere from 1-100 or more
Depends on the model.
None
No limit, however, you need to check the state law on ANY loaded handgun.
What model?
Impossible to answer without more details.
Varies according to caliber.
3 - Three
Depends on the model, barrel length, caliber and magazine.
Several. I have a Browning Hi-Power, a Glock, and a Para-Ordnance that hold 12-13 cartridges. And there are many others.
Browning BLR is chambered in 30.06 and many other calibers.